An engineering psychologist helps redesign a car to make it safer and more fuel efficient. The psychologist's work reflects which of psychology's goals?
a. description
b. understanding
c. prediction
d. control
d
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Regarding the mechanisms of heredity, which of the following statements is FALSE?
a. Most of our characteristics are controlled by single genes. b. Through the expression of genes, heredity determines eye color, skin color, and susceptibility to some diseases. c. Genes can switch on or off at certain ages or developmental stages. d. Genetic instructions influence intelligence, personality traits, and sexual orientation.
Deoxyribonucleic acid, or DNA,
A) is a rodlike structure that stores and transmits genetic information. B) comes in 23 matching pairs. C) looks like a twisted ladder. D) cannot duplicate itself.
A 4-point scale that measures the quality of beef is a(n) ________ scale
a. nominal b. ratio c. interval d. ordinal
It can be tricky to use fear-arousing communication properly; a moderate amount can lead people to ________ and too much can lead people to ________
a. become defensive; be persuaded through the peripheral route b. be persuaded through the central route; become defensive c. be persuaded through the peripheral route; be persuaded through the central route d. become bored and lose interest; be defensive about their beliefs